Radial polarization laser resonator

Details Radial polarization laser resonator Radial polarization laser resonator

1993-03-30

1994-10-25

Bovernick, Rodney B.

Coherent light generators

Particular resonant cavity

Specified output coupling device

372106, H01S 308

Patent

active

053596226

ABSTRACT:
A laser resonator is provided for producing a radially polarized laser beam. The laser resonator includes an active laser medium disposed between a highly reflective end mirror and an opposing partial transmission mirror which define a laser resonator cavity therebetween for producing oscillating optical radiation. A conical Brewster window is further located within the laser resonator cavity and has an optically transparent medium oriented in accordance with the polarizing (i.e., Brewster) angle. As the optical radiation oscillates within the resonator cavity, the conical Brewster window causes the radiation transmitted therethrough to have a radial polarization. Accordingly, the laser resonator produces a laser output which has a radially polarized electric field associated therewith.

REFERENCES:
patent: 3777280 (1973-12-01), Pohl
patent: 4294509 (1981-10-01), Nagao
patent: 4496518 (1985-01-01), Marie
patent: 4531216 (1985-07-01), Tyler
patent: 4755027 (1988-07-01), Schafer

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